Harmony Museum, 218 Mercer St., Harmony, will celebrate the bicentennial of New Harmony, Ind., at Historic Harmony's annual Harmoniefest at 6 p.m. Saturday. Reservations are required. Call 724-452-7341.

Drake Well Museum, 202 Museum Lane, Titusville, will host Family Day featuring a special admission rate of $20 for up to two adults and three children on Saturday. The event will include indoor activities for visitors of all ages. From 1 to 3 p.m., the Titusville Council on the Arts will conduct an art activity in which participants will create their own derrick. Families also can participate in a scavenger hunt. Call 814-827-2797 for reservations.

Carnegie Science Center, North Side, hosts Engineer the Future on Friday and Saturday. The annual event offers students a chance to engage in hands-on activities designed to introduce them to diverse engineering fields. Science center hours are 10 a.m. to 7 p.m. Saturdays and 10 a.m. to 5 p.m. Sundays through Fridays. Admission is $17.95 for adults and $11.95 for children ages 3 to 12. Call 412-237-3400. Children’s Museum, 10 Children’s Way, Allegheny Square, opens “XOXO: An Exhibit About Love and Forgiveness” on Saturday. The museum is open 10 a.m. to 5 p.m. daily. Admission is $13 for adults, and $12 for children ages 2 to 18 and senior citizens. Call 412-322-5058 or visit www.pittsburghkids.org.Phipps Conservatory and Botanical Gardens presents the annual Orchid and Tropical Bonsai Show through March 9. Phipps is open daily from 9:30 a.m. to 5 p.m. and until 10 p.m. Fridays. Admission is $15 for adults, $14 for senior citizens and students, and $11 for children ages 2 to 18. Call 412-622-6914 or visit phipps.conservatory.org.Heinz History Center, 1212 Smallman St., has added new features to the “From Slavery to Freedom” exhibition. “Poptastic!” focusing on Pittsburgh artist Burton Morris continues through Feb. 23. Center admission is $15 for adults, $13 for senior citizens, and $6 for students and children ages 6 to 17. Call 412-454-6000 or visit www.heinzhistorycenter.org.ToonSeum, Pittsburgh’s Museum of Cartoon Art at 945 Liberty Ave., presents “Color Me Happy: ’50s Coloring Book Illustrations as Modern Memes” through March 16. “Wonder Women: On Page and Off” runs through March 30. Hours are 10:30 a.m. to 3:30 p.m. Mondays, Wednesdays and Thursdays, 10:30 a.m. to 7 p.m. Fridays, 10:30 a.m. to 5 p.m. Saturdays and 11 a.m. to 5 p.m. Sundays; closed Tuesdays. Admission is $6 for those over age 13 and $3 for children ages 6 to 12. Senior citizens, college students, veterans and active military pay $5. Call 412-232-0199 or visit toonseum.org.